condition mean min max 4 h after light 0.0265514 0.0 0.0531028 8 h after light 0.03190915 0.0 0.0638183 12 h after light 0.0 0.0 0.0 4 h after dark 0.038485366666666666 0.0 0.0739604 8 h after dark 0.0 0.0 0.0 12 h after dark 0.023214533333333332 0.0 0.0696436